A hidden alley in urban Baltimore is a haven for graffiti artists.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The world's largest collection of the world's largest objects is in one small Illinois town.

The land is home to swimming ponies and a legendary 18th-century treasure.

An extensive collection of fine art devoted to man's best friend.

European castle ruins in an American state park are actually the product of death and grief.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

The modest, restored home of the legendary ragtime musician John William "Blind" Boone.

The iconic remains of the original Academic Hall that burned down in 1892.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

This historic cliffside mansion uses a natural cave for air conditioning.

Giant granite rocks standing end-to-end like a train of circus elephants.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

Curious cave that stays a cool 56 degrees all year long.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.